Risen to the limelight of the national chronicles at the end of the eighties, the ACNA case is a symbolic event not only of Italy of the economic boom but of the whole industrialization process of the country, what bases his roots into a development practice entirely aiming to the profit and totally opposite to the human and environmental costs this involves. The Cengio factory's ten-year history and the war won by the peasants against the moloc pollution their river, is together hold of conscience of an ecological perspective in embryo and reaffirmation of an indisputable valley identify borrowed by the tradition. Based on the alternation between the narration in first person of the protagonists and the material of the archives collected by peasants, the doc is a travel in the memory and geography of the places persons witnesses of the events, to the discovery of the present and the past Bormida Valley, of its countries, its people and its history.